FAQs I would like to know about the light UAS operator certificate (LUC)Specific categoryDrones (UAS)Regulations PDF How long is a LUC valid? Answer The validity of a LUC is unlimited as long as the organisation remains compliant with the LUC’s requirements. An LUC can be revoked or surrendered. Regulatory reference: UASE.LUC.080 of EU regulation 2019/947. Last updated 13/10/2020 Was this helpful? Yes No